DR. CLAY CORNELISON DO
NPI 1609454040
Psychiatry & Neurology - Psychiatry in Pocatello, ID

NPI Status: Active since March 29, 2021

Contact Information

500 S 11TH AVE
POCATELLO, ID
ZIP 83201
Phone: (208) 232-6214

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Psychiatry

About CLAY CORNELISON

This page provides the complete NPI Profile along with additional information for Clay Cornelison, a provider established in Pocatello, Idaho with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1609454040 assigned on March 2021. The practitioner's primary taxonomy code is 2084P0800X with license number 222123 (ID). The provider is registered as an individual and his NPI record was last updated February 2026.

NPI
1609454040
Provider Name
DR. CLAY CORNELISON DO
Gender
Male
Entity Type
Individual
Location Address
500 S 11TH AVE POCATELLO, ID 83201
Location Phone
(208) 232-6214
Mailing Address
500 S 11TH AVE POCATELLO, ID 83201
Mailing Phone
(208) 232-6214
Is Sole Proprietor?
No
Enumeration Date
03-29-2021
Last Update Date
02-24-2026
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A psychiatrist like Clay Cornelison are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.

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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Psychiatry & Neurology Psychiatry

Taxonomy Code
2084P0800X
Type
Allopathic & Osteopathic Physicians
License No.
222123
License State
ID
Taxonomy Description
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1609454040, we treat the final digit (0) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
0
Doubled → 0
Pos 4
9
Unchanged
Pos 5
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
4
Doubled → 8
Pos 8
0
Unchanged
Pos 9
4
Doubled → 8
Check
0
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 0 → 0 4 → 8 4 → 8 4 → 8

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 0 + 9 + 8 + 5 + 8 + 0 + 8 + 24 = 70

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 70 is 70. The difference is the calculated check digit.

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1609454040.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Physician Assistant (Medical)
500 S 11TH AVE, SUITE 305
POCATELLO, ID 83201
Internal Medicine (Pulmonary Disease)
500 S 11TH AVE, SUITE 305
POCATELLO, ID 83201
Psychiatry & Neurology (Psychiatry)
500 S 11TH AVE
POCATELLO, ID 83201
Specialist
500 S 11TH AVE
POCATELLO, ID 83201
Neurological Surgery
500 S 11TH AVE, SUITE 504
POCATELLO, ID 83201
Radiology (Radiation Oncology)
500 S 11TH AVE, SUITE 101
POCATELLO, ID 83201
Allergy & Immunology (Allergy)
500 S 11TH AVE, SUITE 202
POCATELLO, ID 83201
Advanced Practice Midwife
500 S 11TH AVE, SUITE 402
POCATELLO, ID 83201
Nurse Practitioner (Women's Health)
500 S 11TH AVE, SUITE 4G
POCATELLO, ID 83201
Internal Medicine
500 S 11TH AVE, SUITE 203
POCATELLO, ID 83201
Internal Medicine
500 S 11TH AVE, SUITE 203
POCATELLO, ID 83201
Surgery
500 S 11TH AVE, STE 501
POCATELLO, ID 83201
Counselor (Mental Health)
500 S 11TH AVE, SUITE 302
POCATELLO, ID 83201
Psychologist (Clinical)
500 S 11TH AVE, SUITE 302
POCATELLO, ID 83201
Psychologist (Clinical)
500 S 11TH AVE, SUITE 302
POCATELLO, ID 83201
Radiology (Radiation Oncology)
500 S 11TH AVE, SUITE 101
POCATELLO, ID 83201
Rehabilitation Counselor
500 S 11TH AVE, SUITE 302
POCATELLO, ID 83201
Dermatology
500 S 11TH AVE, SUITE 203
POCATELLO, ID 83201
Durable Medical Equipment & Medical Supplies
500 S 11TH AVE, STE 204
POCATELLO, ID 83201
Physician Assistant
500 S 11TH AVE, SUITE 503
POCATELLO, ID 83201

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1609454040, enumerated as an "individual" on March 29, 2021.

The provider is located at 500 S 11TH AVE POCATELLO, ID 83201 and the phone number is (208) 232-6214.

Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.